The pacing is quite slow at the beginning but I think that's to do with the lack of scene cuts, which can be fixed easily. Add a black fade out at 0:06. And then move the scene at 0:07 back until she sings "I keep my distance". Then at 0:11 when her eyes open, fade that out to black. Move the scene at 0:12 of her turning round up a few frames so it's synced at "do". Fade out at 0:17. And that should take care of the pacing problem, oh remember to also fade in the next scene for any black fade outs, it keeps it nice and smooth. Also If you have the time to do so, then try and get rid of the lipflap at 0:23 when he bows because we pretty much already know what he'll be saying even without his mouth moving.
Otherwise it's pretty sweet.
Edit: I've also made some tiny adjustments to the colouring in mines so now they don't look as pale as before. XD If nobody else has anything for me to change, I'll have the final uploaded by tonight.